Electro Magnetic Motor. Patent No. 381,968. Application filed October 12, 1887; patented May 1, 1888

by Nikola Tesla

$18,500 · Offered by Sophia Rare Books

First edition

Washington, DC: Norris Peters Co. Photo-Lithographer for the United States Patent Office, 1888 . First edition, extremely rare, of Tesla’s most important patent, and the invention for which he was inducted into the National Inventors Hall of Fame. It sparked the ‘war of the currents,’ dramatized in the 2017 movie ‘The Current War’. This pitched Thomas Edison, who championed direct current DC power

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